Giant bubbles of gas that erupted from the core of the Milky Way galaxy millions of years ago are expanding out into space at mind-blowing speeds, according to new observations that may help reveal how the strange balloon-like lobes formed.

We may have found evidence that elusive, mysterious dark matter -- something for which there is no direct proof -- is actually sterile neutrinos. And that's going to take some explaining, by way of a speed-tutorial on quantum mechanics from Julian.

Astronomers have a conundrum on their hands. When they count up all of the ultraviolet light their calculations say SHOULD be in the universe, they come up way short! There's more such light than we can account for. What gives?

If you thought the search for the Higgs boson — the elusive particle that endows matter with mass — was epic, spare a thought for the physicists who have been trying to find a way to discover another subatomic particle … Continue reading →

Analysis of 41 billion cosmic rays striking the Alpha Magnetic Spectrometer particle detector aboard the International Space Station shows an unknown phenomena that is 'consistent with a dark matter particle' known as a neutralino.